Sweep rake stacker and loader



Sept. 15, 1942. M. DUDEN SWEEP RAKE STACKER AND LOADER Filed Sept. 3. 1940 3 Sheets-Sheet l JO INVENTOR.

man@ TT l] un EN ATTORNEY.

Sept. l5, 1942.

M. DUDEN SWEEP HAK-E lSTACKER AND LOADER iled sept. 3. 1940 3 Sheets-Sheet 2 mPRlTT DUDEN sept 15 1942 v M. DUDEN 2,295,895y

SWEEP RAKE STACKER AND LOADER Filed Sept. 3', 1940 3 Sheets-Sheet 3 mvmon [TIEQFUTT Dumm] ATTORNEY.

' Patented Sept. 15,1942

FFICE SWEEP RAKE STACKER AND LOADER Merritt Duden, Indianola, Iowa Application September 3, 1940,v Serial No. 355,192

3 Claims.

The principal object of my invention is to provide a highly eicient stacker and loader ca.- pable of being mounted on a tractor or similar mobile unit.

A still further object of this invention is to provide a sweep rake stacker and loader wherein the sweep rake is held stable throughout all operations of the device.

A still further object of this invention is to provide a sweep rake stacker that is capable of also being operated for unloading hay and the like as well as loading and stacking of the same.A

A still further object of my invention is to provide a sweep rake stacker and loader that is under the complete control ofthe operator at all times. F

A still further object of this invention is to provide a sweep rake stacker and loader that is safe in operation, economical in manufacture, and durable in use.

These and other objects will be apparent to those skilled in the art.

` My invention consists in the construction, arrangement and combination of the various parts of the device, whereby the objects contemplated are attained as hereinafter more fullyset forth, pointed out in my claims and illustrated in the accompanying drawings, in which:

Fig. l is a side elevational view of my 'device mounted on a mobile unit.

Fig. 2 is a front view of the loader portion of my rake and stacker.

Fig. 3 is a front elevational view of the vertical upright frame portion.

Fig. 4 is a top plan view of my device illustrating the `means by which the same is controlled. v

Fig. 5 is a detail top plan view in section of the frame portion.

Fig. 6 is a front view of a portion of my device, showing'the fork carrying mechanism. I

Fig. rI is an enlarged view of a portion of my device taken on line 1--1 of Fig. 2.

Fig. 8 is an enlarged side view of the sweep rake catch means, t'aken on line 8-8 of Fig. 3.

' Fig. 9 is a side view of the crank-shaft control means.

Referring to the drawings, I have used the numeral I to designate a tractor or like mobile power unit having the usualpower take-olf II.`

It is Vtosuch a tractor I attach my device and ywhich Irwill now. describe in detail. The nu meral I2 designates a shaft extended from the- 'powertake-oif II and carrying a.v pulley wheelr I3. 'I'he numeral 1 4 designates a frame means securing to the tractor forward of the power take-off as shown in Fig. 4. The numeral I designates a shaft rotatably mounted in the rear portion in the framegM. The numeral I6 5 designates a pulley wheel on the shaft I5. The numeral I1 designates lan endless belt embracing pulley wheels I3 and I 6. The numeral-I8 designates a shaft rotatably mounted in the frame I3. This shaft may be in the form of a crank shaft as shown in Fig. 9 in order that when rotating in one direction its central area will move forwardly and when rotated in the other direction will move rearwardly. Other concentric means may be employed. The numeral I 9 designates an arm secured to the shaft I8. The

numeral designates a lever on the tractor and the numeral 2| designates a connecting element having one end secured to the arm I9 and the other end connected to the lever 20. The numeral 22 designates a reel drum rotatably mounted on theshaft I 8. 'I'he numeral 23 designates a brake drum rotatably mounted on the shaft I8 and rigidly secured to the drum 22. The numeral 24 designates a brake shoe on the frame the shaft I8 moves in one direction the brake drum 23 is capable of engaging the brake shoe 24 and when the shaft I8 is rotated in the op` posite direction by the lever 20 the brake will be moved to the rear and out of engagement with the brake shoe. The numeral 25 designates brackets secured on the two forward sides of the tractor I0 by bolts or .the like. The numerals 26 and 21 designate two vertical beams rigidly spaced apart and secured to the members 25 by braces and bolts 28. The braces securethese two members together as shown in Fig. 3.' The numeral 29 designates a bar that is secured to and extends over the top of the two members 40 26 and 21. 'The-numeral 30 designates a horizontal beam secured to the members'25. Sup' designates brace elements extending from the upper portion of the members 26 and 21 downwardly'and rearwardly to engage the tractor I0 as-shown in Fig. 1. By this construction the members 26 and 21 will be rigidly held in vertical position on the forward end of the tractor and provide a track means as shown in Fig. 3. 'I 'he members 26 and 21 vare each rectangular in crosssection as shown in Fig.l 5. 'I'he numeral 33 des- ..ignates a metal box frame as shown in Fig. 6.

I4 and forward of the brake drum 23. When 1 The numeral 36 designates two elongated angle irons on the rear side of vertical box frame which also form the sides of the frame 33. These two angle irons embrace the forward outer corners of the two vertical beams 26 and 2l respectively. On the rear edge of each of th members 34 is formed two outwardly extending lips 35. The numeral 36 designates two elongated angle irons embracing the outer rear corner portions of the beams 26 and 28, respectively.

Each of these angle irons 35 has two outwardly extendinglip members 31, adjacent and spaced apart from the lip members 35, respectively. The

' numeral 38 designates arbolt extending through each pair of lips 35 and 3l.' The numeral 29 A designates washers on the bolts 38 and between Fig; 6. The numeral lil designates a link member on each end of the shaft Qt, normally extending forwardly and upwardly. The numeral d2 designates a link member having one end. secured to the central portion of the shaft dil and normally extending forwardly and downwardly. The numeral t3 designates a vertical track secured to the central portion of the frame 3?. The numeral dd designates a bearing member capable of vertical reciprocation of the member d3. The numeral d5 designates a pair of link members each having one end pivotedly secured to the member d@ and their other ends secured to member d2. The numeral it designates apulley wheel rotatably secured to the member ftd. The downward movement of the frame 33" is limited by the stop members dl on the track structure 2d and 2l. The member 29 limits the upward sliding' movement of the frame 33. The numeral d@ designates the rear vertical portion of the rake which remains substantially Vertical. Extending forwardly from the lower portion of this back portion 39 are the elongated tooth elements il as shown in the drawings. The numeral 5i designates a brace member for rigidly binding the tooth elements to the back portion t9. These tooth elements, the back portland@ and brace elements combine to form the rake portion, which is pivoted at its rear back end tothe members d8 by bolts or like 52 as shown in Fig. 7. The numeral 53 designates two ear members on the upper portion of the rake frame Q9. The numeral 5d designates rod members having their rear ends bent at right angles to rotate in the forward end portions of the members di respectively. These rods 5d are slidably extended through the two ears 53 respectively and each has a head member 55 on their forward free ends to prevent their withdrawal fromA the members agences pulley wheel 5l, then upwardly to extend over pulley wheel 58, then downwardly to extend around the pulley wheel fit and then upwardly and fastened to the cross beam 29 as shown in Fig. 4. The numeral Bt and the numeral 5l designate two stop members spaced apart and having one of their ends pivoted to the vertical post 2 as shownl in Fig. 8. The numeral 52 designates a link member connecting the two free ends of the members 50 and 6| together. The numeral S3 designates a coil spring having one end connected to the post27 and its other end connected to the free end of the member 68. This coil spring yieldingly holds' the members Sli and 6i in position where they over-lap the forward edge of the post 2l. When the fork mechanism moves upwardly on the tracks 26 and 2l the frame 33 may ride overl and past both of these members @t and 6i. However, the frame 33 will be unable to pass downwardly past either of the members 60 or Si unless they are manually moved against the action of the spring 63 to the rear as shown by dotted lines in Fig. 8.

52. The numeral 56 designates forwardly extending elongated side pieces on the side portions of the frame t9 as shown in Figs. 1 and 2. The numeral 53 designates a pulley wheel mounted on the top of the member 29. 'Ihe numeral 59 designates a exible cable having one end secured in the usual manner around the ,rear drum 22, wound around the drum 22 and extending, rst forwardly to extend around the lI accomplish the manual movement of these members to the rear by cable tlattached to the free end of the member 6l and a hand lever on the tractor.

The practical operation of my apparatus is as follows: With therakein a position asshown in Fig. 1 the tractor is moved forwardly in order to bring the teeth t@ under the hay, straw. bundles, or like, to be loaded. When a sufcient amount of material is on the fork the lever 2'@ is pulled to the rear bringing the wheel 23 into contact with a pulley wheel 56 on the shaft i5. As the shaft i5 is being rotated by the engine of the tractor the pulley 23 will be rotated, thereby rotating the drum 22. With the drum 22 rotating the cable 5d will be wound thereon, moving the sweep rake upwardly on the tracks 2t and 2l. The first movement, however, of the rake will be to move its upper frame end to the rear and raise the elongated teeth 5d to a position where they extend horizontally to forwardly and slightly upwardly. Normally when the rake is in a low' ered position these teeth extend forwardly and downwardly. The referred to action is accomplished by the tightening of thecable on the pulley wheel t6 thereby sliding the bearing member it upwardly which moves the links @l5 upwardly and the arm "i2 upwardly, thereby rotating the shaft d@ to the right. This initial rotation of the shaft d@ moves the rods 5d to the rear until the head members 55 engage the ears 53 and pull the upper portion of the member i9 of the rake to the rear, thereby pivoting it on its securing means 52. After the forward end of the teeth 5t have been properly elevated the entire fork and its carriage will be pulled upwardly by thecable dil inasmuch as the carriage is slidable on the member 26 and 21. If it is desired to stop the fork at any point along the tracks 2E and 2l it is merely necessary to move the lever 2d forwardly. .immediately the pull upon the cable 59 will move the brake wheel 23 out of engagement with the driving wheel t6 and into engagement with the brake shoe 2d which locks and stops the rotation of the drum 22. If it is desired to lower the rake it is merely necessary to manually move the lever 2d to the rear to bring the brake wheel 23 slightly out of engagement with the brake 2d but yet not quite in engagement fork has engaged one oi' the mem their scope.

the speed oi.' movement o! the fork upwardly will depend upon the amount oi frictional engagement between the wheels 23 and 86. The operation oi the device is therefore highly flexible and may be completely controlled regardless of the load on the fork. Unless the fork ismoved above the engaging poin't on either the members 60 or il the `fork cannot thereafter he lowered without moving the lever 65 to thelrear. 'Ifhese two stops 6I and 6I provide two positions for rigidly holding the fork in an elevated position. After the bons 6l or il and the lever 2l is moved forwardly, pull is removed .on the bearing Il and due to the weight of the fork its outer end tilts downwardly moving the member 44 to a lowered position on the member 43. With the teeth of the Iorkextending downwardly and forwardly the fork is in a positionl for unloading its burden and it it is above or resting on `the stackbeing formed it is merely necessary to reverse the tractor, moving the entire equipment to the rear and leaving the hay or like on the stack. Ii' the tack is some distance from where the material is beingobtained, the

,fork should beheld inA Substantiallyv horizontal ing and unloading hay racks. It is particularly desirable as a 4stacker 'and the operation ci.' the device is at all times under the control of the operator. J

Some changes may be made in the construction and arrangement oi.' my Y improved `sweep Lrake stacker and loaderwithout. departing from the real spirit and purpose of my-invention, and it is my invention to cover by myblaims any modiiled forms of structure or use of mechanical euivalents which may be reasonably included within I claim: 5 v

l. In a device of the' class dcribed, a verticall ltrack frame, `a second frame slidably. mounted onsaid track trame, a fork means operatively pivotally secured at its rear lower end portion to said second trame, a bearing member verl tic'ally slidably mounted on said second frame, a

. pulley wheel on said bearing member. connecting members operatively` bearing member with-the rear upper portion of'said fork v means, a pulley wheel on the upper portion of said track frame, and a ilexible cable having one end secured to the upper portion of said track 6 frame, extending downwardly around said pulley wheel on said bearing member, then upwardly and over the pulley wheel on said track frame and then designed to extend to a power operated drum 'or like.

l0 2. In a device of the class'V described, a vertical track frame, a second frame slidably mounted on said track iframe, a fork means operatively pivotally secured at its rear lowerend portion to said second frame, a bearingmember vertically slidl5 ably mounted on saidsecond trame, a pulley zo frame, a flexible cable having one end secured to the upper portion of said track frame, extending downwardly around said pulley wheel on said bearing member, then upwardly and over the pulley wheel on said track frame and then deg5 signed to extend to a power operated drum or like,

catch means on said track frame capable of en- 8381118 said second frame, and a manual means for placing' said catch means in inoperative condition.

'80 3. In a device oi.' thel cla described, avertical track frame, a second trame slidably mounted on said track frame. a fork means operatively pivotally secured 'at its rear lower end portion to said second frame, a bearing member vertically slid- 85 ably mounted on said second frame, a pulley 4Q means, a headed link member slidably extending through said crank arm, a pulley wheel on the upper portion of saidtrack frame, and a ilexible cable having onegend secured to the upper portion of said track frame, extending downwardly 45 arolmd said pulley on said bearing member, then upwardly-over the pulley wheel on said track l trame and then downwardly with its end designedto be operatively secured to a power drum lor like.

9 a marrrpuplm`- 

